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Welcome To The Arctic

Here you will find the latest information, sourced from the CIA World Factbook and other public domain references around the Internet.

All this material is in the public domain, so you may freely copy, edit and quote it in homework, projects, essays and other publications.

For more information on various countries select from the links to the right, or use the search box.

Background:

The Arctic Ocean is the smallest of the world's five oceans (after the Pacific Ocean, Atlantic Ocean, Indian Ocean, and the recently delimited Southern Ocean). The Northwest Passage (US and Canada) and Northern Sea Route (Norway and Russia) are two important seasonal waterways. A sparse network of air, ocean, river, and land routes circumscribes the Arctic Ocean.

Geography

Arctic Ocean

Location:

body of water between Europe, Asia, and North America, mostly north of the Arctic Circle

central surface covered by a perennial drifting polar icepack that, on average, is about 3 meters thick, although pressure ridges may be three times that thickness; clockwise drift pattern in the Beaufort Gyral Stream, but nearly straight-line movement from the New Siberian Islands (Russia) to Denmark Strait (between Greenland and Iceland); the icepack is surrounded by open seas during the summer, but more than doubles in size during the winter and extends to the encircling landmasses; the ocean floor is about 50% continental shelf (highest percentage of any ocean) with the remainder a central basin interrupted by three submarine ridges (Alpha Cordillera, Nansen Cordillera, and Lomonosov Ridge)

ice islands occasionally break away from northern Ellesmere Island; icebergs calved from glaciers in western Greenland and extreme northeastern Canada; permafrost in islands; virtually ice locked from October to June; ships subject to superstructure icing from October to May

Environment - current issues:

endangered marine species include walruses and whales; fragile ecosystem slow to change and slow to recover from disruptions or damage; thinning polar icepack

Geography - note:

major chokepoint is the southern Chukchi Sea (northern access to the Pacific Ocean via the Bering Strait); strategic location between North America and Russia; shortest marine link between the extremes of eastern and western Russia; floating research stations operated by the US and Russia; maximum snow cover in March or April about 20 to 50 centimeters over the frozen ocean; snow cover lasts about 10 months

Economy

Arctic Ocean

Economy - overview:

Economic activity is limited to the exploitation of natural resources, including petroleum, natural gas, fish, and seals.

Transportation

Arctic Ocean

Ports and harbors:

Churchill (Canada), Murmansk (Russia), Prudhoe Bay (US)

Transportation - note:

sparse network of air, ocean, river, and land routes; the Northwest Passage (North America) and Northern Sea Route (Eurasia) are important seasonal waterways

Transnational Issues

Arctic Ocean

Disputes - international:

some maritime disputes

Sources: The CIA World Fact Book and other public domain Internet sites